单项选择题
A．advantages B．blossom C．brains D．brilliant E．deserve F．gravely G．head H．influence I．intelligent J．nearly K．parental L．problems M．produce N．shaped O．survives
A．Group dynamics can be expanded by the group dominator. B．Side conversations may bring down a group’s intelligence. C．The absence of the team leader does harm to the main discussion. D．A group’s intelligence is related to members’ direct communication.
A．They need to spend a large fortune on their operations. B．They have to take drugs to make the transplants effective. C．They need to receive another transplant every ten years. D．They have to appreciate the donors all their life.